CN102862487B - Battery control system of car - Google Patents
Battery control system of car Download PDFInfo
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- CN102862487B CN102862487B CN201110186504.3A CN201110186504A CN102862487B CN 102862487 B CN102862487 B CN 102862487B CN 201110186504 A CN201110186504 A CN 201110186504A CN 102862487 B CN102862487 B CN 102862487B
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- 238000012790 confirmation Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 7
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- 238000010586 diagram Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The invention discloses a kind of battery control system of car, described system comprises: the master controller control automobile batteries and multiple from controller; Described master controller is used for by identifier allocation line, and successively to each described from controller distribution marker, the described identifier from controller distribution is different; The described identifier being used for distributing according to described master controller from controller communicates with described master controller, so that described master controller controls from controller described in each according to each described identifier from controller.In the present invention, master controller is by identifier allocation line control to from controller distribution marker, ensure that validity and the accuracy of identifier allocation.Communicating from controller distribution marker by being respectively each, making master control targetedly to managing from controller and controlling, the control effects of battery control system to battery can be improve.
Description
Technical field
The present invention relates to field of automobile control, and in particular to a kind of battery control system of car.
Background technology
At present, new energy technology application is in the car increasingly extensive, and along with the development of new-energy automobile technology, the battery system development as one of new-energy automobile core technology is also very fast.According to the requirement of automobile power, automobile batteries usually has hundreds of battery cells and forms, by a master controller with multiplely manage whole battery cells from controller.
In the battery control system of client/server, mainly have employed distributed Control system architecture, namely each from controller monitoring one Battery pack, and the various operational factors of battery are sent to master controller, as the total voltage of battery pack, the information such as working current and temperature.Master controller is according to the operational factor respectively from controller report, draw the work state information and alarm message etc. of all batteries, and fed back to vehicle-mounted management system, make vehicle-mounted management system can understand the running state of battery system, and accordingly battery managed accordingly and control.
In the battery control system of prior art, each all sends the operational factor of battery pack to master controller from controller, and master controller is also the work state information according to all batteries of information acquisition from controller transmission.When a certain battery pack operation irregularity from controller, master controller accurately cannot know the battery pack occurring exception, and also just cannot control effectively from controller for this, therefore, the control and management effect of battery control system to battery is undesirable.
Summary of the invention
The object of the invention is to, a kind of battery control system of car is provided, with the problem that the battery control system solving automobile in prior art is undesirable to the control and management effect of battery.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of battery control system of car, comprising: the master controller control automobile batteries and multiple from controller;
Described master controller is used for by identifier allocation line, and successively to each described from controller distribution marker, the described identifier from controller distribution is different;
The described identifier being used for distributing according to described master controller from controller communicates with described master controller, so that described master controller controls from controller described in each according to each described identifier from controller.
Beneficial effect of the present invention is, master controller to from controller distribution marker, ensure that validity and the accuracy of identifier allocation by identifier allocation line control.Communicating from controller distribution marker by being respectively each, making master control targetedly to managing from controller and controlling, the control effects of battery control system to battery can be improve.
Accompanying drawing explanation
The structural representation of the battery control system of car that Fig. 1 provides for one embodiment of the invention.
The diagram of circuit of the automobile batteries control method that Fig. 2 provides for one embodiment of the invention.
The structural representation of the battery control system of car that Fig. 3 provides for another embodiment of the present invention.
Detailed description of the invention
The exemplary embodiments embodying feature & benefits of the present invention will describe in detail in the following description.Be understood that the present invention can have various changes in different embodiments, it neither departs from the scope of the present invention, and explanation wherein and appended accompanying drawing are the use when explain in itself, and is not used to limit the present invention.
For in prior art, the problem that the battery control system of automobile is undesirable to the control and management effect of battery, present embodiments provide a kind of battery control system of car, communicate from controller distribution marker by being respectively each, enable main controller targetedly to managing from controller and controlling, improve the control effects of battery control system to battery.
The battery control system of the automobile in the present embodiment comprises: the master controller control automobile batteries and multiple from controller; Master controller is by identifier allocation line, and successively to each described from controller distribution marker, the described identifier from controller distribution is different; The described identifier distributed according to described master controller from controller communicates with described master controller, so that described master controller controls from controller described in each according to each described identifier from controller.
Shown in Figure 1 is the structural representation of the battery control system of car preferred embodiment of the present embodiment, this battery control system of car comprises: a master controller 11 and multiple from controller 1 to N (N is integer and is more than or equal to 2), described master controller 11 and respectively described to be connected on an identifier allocation line 12 from controller 1 to N, and be respectively describedly all serially connected in described master controller 11 downstream from controller 1 to N.Identifier allocation line 12 is that the switch of an each controller of series connection divides distribution.
Master controller 11 is according to each order be connected on from controller described identifier allocation line 12, and from the close-by examples to those far off successively to each from controller 1 to N distribution marker, the described identifier distributed from controller 1 to N is different.And according to each identifier from controller 1 to N to respectively controlling from controller 1 to N.
In the process of distribution marker, from controller after the identifier receiving master controller 11 distribution, store described identifier information, and send the confirmation be allocated successfully to master controller 11; Described master controller 11, after receiving this confirmation be allocated successfully sent from controller, judges whether also should exist from controller from controller downstream.Concrete, should can carry a customizing messages confirmation from controller, for inform master controller 11 should from controller whether also have downstream from controller.If described master controller 11 according to this customizing messages judge this from controller also have downstream from controller, then master controller 11 to this from the downstream that controller is connected from controller distribution marker; If should from controller do not have downstream from controller, then described master controller 11 stops distribution marker.
Respectively from controller 1 to N, there is identifier allocation state and identifier not distribution state.For each from controller, if it is in identifier allocation state, then obtain corresponding identifier information from master controller 11, and store described identifier information, to realize its identifier allocation, and reply the confirmation be allocated successfully subsequently to this master controller 11; If it is in identifier not distribution state, then do not obtain identifier information from master controller 11.
The described identifier distributed according to master controller 11 from controller 1 to N communicates with master controller 11, thus describedly sends equal affix identifier information the communication data of master controller 11 to from controller 1 to N.Cascaded structure is formed by identifier allocation line 12 due to master controller 11 with from controller 1 to N, each identifier allocation state from controller is controlled by upper one end, when being in identifier state to be allocated from controller, the identifier information of distributing could be received, when be in from controller identifier not distribution state time, the identifier information of distribution can not be received.By adopting the mode of serial identifier allocation line, main controller is enable to carry out the distribution of identifier by order from the close-by examples to those far off, namely first distribute directly be connected with master controller from controller 1, after its distribution terminates, master controller 11 is again to second from controller 2 distribution marker, second distribute terminate from controller 2 after, then to the 3rd from controller 3 distribution marker, distribute until last is from controller N successively.
In system architecture shown in Figure 1, at master controller 11 to during from controller 1 to N distribution marker, master controller 11 is first given from controller 1 distribution marker, after controller 1 identifier allocation completes, reply to this master controller 11 confirmation be allocated successfully, a customizing messages can be carried to inform that master controller 11 self also has downstream from controller in this confirmation.Identifier state to be allocated is entered from controller 2 simultaneously from controller 1 trigger downstream.Master controller 11 receives this after the confirmation be allocated successfully of controller 1 transmission, judge that this also exists from controller from controller 1 downstream, then again to this from controller 2 distribution marker, by the same way, until give last from controller N distribution marker, complete this master controller 11 backward from controller N identifier allocation and reply the confirmation be allocated successfully, in confirmation, carry an information notification master controller 11 self does not have downstream from controller.Master controller receives this after the confirmation of controller N, stops distribution marker.By the mode of sequentially distribution marker, make the distribution of identifier controlled in order, ensure that accuracy.
In addition, this system also comprises: link described master controller and each controller local area network's CAN from controller; Master controller and can by general controller local area network (the Controller Area Network of automotive system from controller, hereinafter referred to as CAN) bus carries out data transmission, and the feature of CAN is the data that all controllers be attached thereto can get in CAN.In the present embodiment, when distribution marker, master controller 11 sends identifier information by CAN to from controller 1 to N; From controller 1 to N after receiving described identifier information by CAN, location identifier information, and sent the confirmation be allocated successfully to master controller 11 by CAN.
Although other data line transfer communication datas beyond CAN also can be used, but the complexity of system can be increased and realize difficulty, the CAN that the present invention uses automotive system to commonly use can simplify the structure of battery control system, is easy to realize, and has higher applicability.
In the present embodiment, master controller with adopt CAN to carry out data transmission from controller, and data in CAN are all can receive from controller.Therefore, the identifier information received from controller by which by identifier allocation line control CAN is needed.
In the present embodiment, each from controller for what connect, one state control switch A can be set from the described identifier allocation line on controller
1to A
n, describedly close described state control switch A from controller 1 to N
1to A
nshi Ze is in identifier allocation state; Describedly open described state control switch A from controller 1 to N
1to A
nshi Ze is in identifier not distribution state, controls can adopt various ways, not to arrange state control switch A from the state of controller 1 to N
1to A
nthis method is limited, and the mode that binary pair such as can also be adopted to arrange mode-control bit carries out state control.
See Fig. 2, it illustrates the diagram of circuit of automobile batteries control method.The preferred embodiment of automobile batteries control method of the present invention is described below in conjunction with Fig. 1 and Fig. 2.
First, step S10 is performed: after system electrification, in an initial condition, identifier allocation line 12 is full off-state, is respectively open mode from the state control switch of controller 1 to N, does not obtain identifier information from CAN.
Then, step S12 is performed: master controller 11 starts to carry out identifier allocation, by closing from the state control switch of controller 1 of being close to master controller 11, makes to be in identifier state to be allocated from controller 1.
Then, step S14 is performed: master controller 11 need be distributed to and be sent to CAN from the identifier information of controller 1.
Subsequently, perform step S16: owing to being in identifier state to be allocated from controller 1, obtain identifier information from controller 1 from CAN and location identifier information, and other be in identifier not distribution state from controller 2 to N, do not receive identifier allocation information.After completing identifier allocation from controller 1, the confirmation be assigned is sent to described master controller 11, an information of can carrying in this confirmation is to inform whether master controller 11 self also has downstream from controller, and open the state control switch of self, self is set to identifier not distribution state.When swimming in the presence from controller simultaneously, trigger the downstream that is close to self from controller 2 from identifier not distribution state enter identifier state to be allocated, obtain identifier information from controller 2 from described CAN to trigger.
Master controller 11 receives after the confirmation of controller 1, knows that identifier allocation completes for the first time.
Then, perform step S18: master controller 11 judges whether exist from controller 2 from the downstream of controller 1, if exist, then return and perform step S12 to S16, start to carry out second time identifier allocation, need distribute to and be sent to CAN from the identifier information of controller 2; Now owing to being in identifier state to be allocated from controller 2, then obtain identifier information from controller 2 from CAN and store, and other are in identifier not distribution state from controller 1,3 to N, do not obtain the identifier information in CAN, complete identifier allocation from controller 2 thus.
Master controller just can according to the series sequence of identifier allocation line, circulation performs S12 to S18, successively to all from controller distribution marker, to the last be also assigned with identifier from controller N, when master controller 11 judges not exist from controller from the downstream of controller N, then end identifier distributes (step S20).Like this, the initialization of battery control system completes, each identifier having oneself from controller, by identifier allocation, master controller 11 with from controller 1 to N can communicate.
Step S22: for after being respectively assigned with different identifier information from controller, respectively from controller when communicating with described master controller, affix identifier information in communication data.Master controller is according to the communication data of the tape identification symbol information from controller report, just can be informed in and communicate from controller with which, make master control can according to this identifier information from controller, this is controlled targetedly from controller, again the battery pack of self should be managed accordingly and be controlled from controller.Just improve the control effects of battery control system to battery thus.It should be noted that, CAN between master-slave controller, still can be utilized to communicate.
In the battery control system of the present embodiment, master controller to from controller distribution marker, ensure that validity and the accuracy of identifier allocation by identifier allocation line control.Communicating from controller distribution marker by being respectively each, making master control targetedly to managing from controller and controlling, the control effects of battery control system to battery can be improve.
The battery control system of the automobile of above embodiment, employing be master controller and respectively from the mode of controller series connection.In battery control system one embodiment of automobile of the present invention, master controller and each described mode of carrying out being connected from controller respectively by identifier allocation line can also be adopted.Shown in Figure 3 is the structural representation of the battery control system preferred embodiment of another kind of automobile provided by the invention.
The battery control system of the automobile shown in Fig. 3, comprise: a master controller 21 and multiple from controller 1 to N (N is integer and is more than or equal to 2), master controller 21 is connected by an identifier allocation line 22 from controller respectively with each, master controller 21 is successively to each described from controller distribution marker, namely master controller 21 be only at every turn one from controller distribution marker, be assigned rear just for the next one is from controller distribution marker, guarantee the accuracy of identifier allocation with this.
Different from the embodiment shown in Fig. 1, in the battery control system of the automobile shown in Fig. 3, owing to have employed master controller 21 and the mode be respectively connected respectively from controller, thus, master controller 21 respectively can not be fixed from the order of controller distribution marker, namely exist multiple unallocated identifier from controller time, master controller 21 optionally one of them can carry out identifier allocation, and the sequencing of identifier allocation is not fixed.
In the present embodiment, respectively from controller 1 to N, still there is identifier allocation state and identifier not distribution state.For each from controller, if it is in identifier allocation state, then obtain corresponding identifier information from master controller 21, and store described identifier information, to realize its identifier allocation, and reply the confirmation be allocated successfully subsequently to this master controller 21; If it is in identifier not distribution state, then do not obtain identifier information from master controller 21.
Owing to respectively connecting master controller 21 from controller respectively by identifier allocation line 22 in the present embodiment, therefore need to be controlled each state from controller by master controller 21 in the process of distribution marker.A state control switch B can be set at each identifier allocation line 22 be connected with described master controller 21 from controller
k(1≤K≤N), realizes master controller 21 and controls from controller state.When master controller 21 closed is from the state control switch of controller, then should be in identifier state to be allocated from controller; Master controller 21 open one from the state control switch of controller time, then should be in identifier not distribution state from controller.
When distribution marker, master controller 21 selects one from controller, and this is set to identifier state to be allocated from controller, sends identifier allocation information to this from controller; From controller after the identifier receiving master controller 21 distribution, described identifier information should be stored, and sends the confirmation be allocated successfully to master controller 21.This, after receiving this confirmation be allocated successfully sent from controller, is set to identifier not distribution state from controller, no longer obtains identifier information to make this from controller by master controller 21.Afterwards, master controller 21 judge whether also to exist unallocated identifier from controller; If exist; Then master controller 21 never distribution marker from controller optional one from controller, trigger this unallocated identifier from controller from identifier not distribution state enter identifier state to be allocated, obtain identifier information with what trigger this unallocated identifier from controller, then master controller 21 sends identifier allocation information to carry out identifier allocation to this unallocated identifier from controller.According to the method described above until be all from controller all distribution markers, master controller 21 judge not exist unallocated identifier from controller time, stop the operation of distribution marker.
The battery control system of above-mentioned automobile, the mode that still have employed distribution marker successively, to make the distribution of identifier controlled in order, ensure that accuracy.In addition, although need to use multiple identifier allocation line to carry out master controller and each from the connection between controller in the present embodiment, but master controller can be made to be respectively can not fix from the order of controller distribution marker, to there is very high alerting ability, improve the practicality of system.
The change that those skilled in the art do when should recognize the scope and spirit of the present invention disclosed in the claim do not departed from appended by the present invention and retouching, within the protection domain all belonging to claim of the present invention.
Claims (6)
1. a battery control system of car, is characterized in that, comprising: the master controller control automobile batteries and multiple from controller, each from a controller corresponding identifier allocation line respectively;
Eachly to be connected with master controller from controller respectively by an identifier allocation line corresponding with it;
Described master controller is used for by identifier allocation line, and successively to each described from controller distribution marker, and the order of distribution marker is with each described irrelevant from putting in order of controller; The described identifier from controller distribution is different;
The described identifier being used for distributing according to described master controller from controller communicates with described master controller, so that described master controller controls from controller described in each according to each described identifier from controller.
2. battery control system of car according to claim 1, is characterized in that, described from controller receive described master controller distribute identifier after, store described identifier information, and send the confirmation be allocated successfully to described master controller;
Described master controller after receiving this confirmation be allocated successfully sent from controller, judge whether also to exist unallocated identifier from controller;
If; Then described master controller to a unallocated identifier from controller distribution marker; Otherwise described master controller stops distribution marker.
3. battery control system of car according to claim 2, is characterized in that, described have identifier allocation state and identifier not distribution state from controller;
Described master controller receives one after the described confirmation of controller transmission; This is set to identifier not distribution state from controller, does not obtain identifier information to make this from controller;
If described master controller judge also to exist unallocated identifier from controller, then described master controller trigger a unallocated identifier from controller from identifier not distribution state enter identifier state to be allocated, with trigger this unallocated identifier from controller obtain identifier information.
4. battery control system of car according to claim 3, it is characterized in that, each described identifier allocation line be connected with described master controller from controller is provided with a state control switch, described master controller close one from the state control switch of controller time, then should be in identifier state to be allocated from controller; Described master controller open one from the state control switch of controller time, then should be in identifier not distribution state from controller.
5. battery control system of car according to any one of claim 1 to 4, is characterized in that, this system also comprises: link described master controller and each controller local area network's CAN from controller;
Described master controller sends identifier information to described from controller by this controller local area network's CAN;
Described from controller after receiving described identifier information, sent the confirmation be allocated successfully to described master controller by this controller local area network's CAN.
6. battery control system of car according to claim 5, is characterized in that, is describedly communicated by this controller local area network's CAN from controller with described master controller, and in communication data self identifier information subsidiary.
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| CN201110186504.3A CN102862487B (en) | 2011-07-05 | 2011-07-05 | Battery control system of car |
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| CN201110186504.3A CN102862487B (en) | 2011-07-05 | 2011-07-05 | Battery control system of car |
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| CN102862487B true CN102862487B (en) | 2015-10-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102210890B1 (en) * | 2013-06-05 | 2021-02-02 | 삼성에스디아이 주식회사 | Battery management system, and method of managing the same |
| US9586541B2 (en) * | 2015-02-25 | 2017-03-07 | GM Global Technology Operations LLC | Methods, apparatus, and systems for identification of cells in a network |
| KR102479719B1 (en) * | 2015-06-04 | 2022-12-21 | 삼성에스디아이 주식회사 | System and Method for Controlling Battery |
| FI20155813A7 (en) * | 2015-11-05 | 2017-05-06 | Parkkisaehkoe Oy | Power supply apparatus for parking lots |
| CN106817438A (en) * | 2017-02-09 | 2017-06-09 | 浙江风向标科技有限公司 | A kind of device management method and device based on controller local area network |
| CN107650710B (en) * | 2017-09-20 | 2020-01-10 | 中国重汽集团济南动力有限公司 | Multi-shaft driving vehicle distributed energy storage system |
| KR102344211B1 (en) | 2017-12-20 | 2021-12-27 | 주식회사 엘지에너지솔루션 | System and method for diagnosing main controller abnormal operation |
| JP6905499B2 (en) * | 2018-10-18 | 2021-07-21 | 矢崎総業株式会社 | Communications system |
| KR102510886B1 (en) * | 2018-11-23 | 2023-03-16 | 삼성에스디아이 주식회사 | A slave module and a number assignment system including the slave module |
| CN114285692B (en) * | 2021-12-22 | 2023-09-01 | 广州极飞科技股份有限公司 | Communication control system, identity determination method, distribution method and equipment |
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